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YS/T 239.2-2010 Methods for chemical analysis of antimony trisulfide—Part 2:Determination of combined sulfur content—Combustion-neutralization titration method 120 (USD) via email in 1-3 business day VALID
YS/T 74.2-2010 Methods for chemical analysis of cadmium—Part 2:Determination of antimony content—Hydride generation-atomic fluorescence spectrometry 120 (USD) via email in 1-3 business day VALID
YS/T 281.5-2011 Methods for chemical analysis of cobalt—Part 5:Determination of phosphorus content—Molybdenum blue spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 990.17-2015 120 (USD) via email in 1-3 business day VALID
YS/T 746.3-2010 Methods for chemical analysis of tin-based lead-free solders—Part 3:Determination of copper content—Flame atomic absorption spectrometric method and sodium thiosulfate titrimetric method 180 (USD) via email in 1-3 business day VALID
YS/T 461.12-2016 Methods for chemical analysis of lead and zinc bulk concentrates—Part 12:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectrometry 180 (USD) via email in 1-3 business day VALID
YS/T 239.4-2010 Methods for chemical analysis of antimony trisulfide—Part 4:Determination of aqua-regia insolubles content—Gravimetric method 120 (USD) via email in 1-3 business day VALID
YS/T 227.2-2010 Methods for chemical analysis of tellurium—Part 2:Determination of aluminium content—Chromazurol S-Tetradecyl bromide pyridine micellar solubilization spectrophotometry 120 (USD) via email in 1-3 business day VALID
GB 5122.12-1985 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 746.2-2010 Methods for chemical analysis of tin-based lead-free solders—Part 2:Determination of silver content—Flame atomic absorption spectrometric method and potassium thiosulfate titrimetric method 180 (USD) via email in 1-3 business day VALID
YS/T 746.5-2010 Methods for chemical analysis of lead-free tin-based solders—Part 5 Determination of bismuth content—Flame atomic absorption spectrometric method and EDTA titrimetric method 180 (USD) via email in 1-3 business day VALID
YS/T 746.16-2010 Methods for chemical analysis of lead-free tin-based solders—Part 16:Determination of total rare earth content—Arserazo Ⅲ spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 1157.4-2016 Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration method 120 (USD) via email in 1-3 business day VALID
GB 5122.9-1985 45 (USD) via email in 1-3 business day ABOLISHED
GB 8220.4-1987 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 227.11-2010 Methods for chemical analysis of tellurium—Part 11:Determination of silicon content—N-butanol extraction molybdenum blue spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 716.6-2009 Methods for chemical analysis of low grade blister—Part 6:Determination of arsenic,bismuth,nickel,lead,antimony,tin and zinc contents—Inductively coupled plasma-atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
YS/T 248.10-2007 Methods for chemical analysis of crude lead-Determination of iron content-Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 746.7-2010 Methods for chemical analysis of lead-free tin-based solders—Part 7:Determination of iron content—Flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
GB 8002.11-1987 45 (USD) via email in 1-3 business day ABOLISHED
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